Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Fibre optics and optical communications is the use of thin strands of glass for sending information encoded into light over long distances. Total internal reflection prevents light inserted into one ...

An optical illusion is a riddle where the viewer perceives the image differently. These illusions come in a variety of types, such as puzzles, word riddles, jumbled words, hidden objects, crossing ...

Troy Adkins has 15+ years of residential property investment analysis experience and over a decade of institutional investment consulting experience. Charlene Rhinehart is a CPA , CFE, chair of an ...

He worked hard, played hard, and studied hard. Now Michael Mapes lives his dream as CEO of a company that does well by doing good. Growing up in Dublin, Ohio, Michael Mapes (’00) dreamed of running a ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. The U.S. relies on GDP to measure economic ...

As Food & Wine's Testing Editor, Jennifer's work focuses on finding the best tools for all sorts of cooks. She's vetted hundreds of products, from can openers to salad spinners and tortilla presses, ...